KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Introduction
The Kleersound HI-40i is a premium Hearing Aid that automatically
boosts the sound volume so that a person with hearing loss can listen,
communicate, and participate more fully in daily activities. A Hearing
Aid can help people hear better in both quiet and noisy situations.
A Hearing Aid has three basic parts: a microphone, an amp, and a
speaker. The Hearing Aid receives sound through the microphone,
which converts the sound waves into electrical signals and sends them
to the Hearing Aid. The Hearing Aid increases the power of the signals
and then sends them to the ear through the speaker.
The circuitry in the Kleersound HI-40i series incorporates the best
components available using modern FPCB(Flexible Printed Circuit
Board) with SMD(Surface Mount Device) technology to ensure product
reliability and sound quality without electrical interference.
Kleersound devices provide the highest fidelity sound amplification
available at any cost. The unique design and construction of Kleersound
devices provide superior sound quality.
Kleersound Premium Hearing Aids are primarily useful in improving the
hearing and speech comprehension of people who have mild to
moderate hearing loss. They are not intended to treat or cure hearing
impairment diagnosed by a medical professional.
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Inside the Box
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Device Description
3
Package box,
Carrying case
HI40i
Battery
Eartip
*Small eartip is preinstalled
Brush Tool
Cleaning Cloth Quick Start Guide User Manual
RECEIVER
(SPEAKER)
PRESET
VOLUME
BUTTON
MIC
BATTERY
DOOR
SIZE
0.76 x 0.8 x 0.46(in)
WEIGHT
0.03 oz (no battery)
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Before Use
•Consult your doctor during and after use if you are experiencing
ear-related illnesses or symptoms.
•The Kleersound Hearing Aids are designed for customers with mild
to moderate hearing loss, not for customers who are severely
hearing impaired.
•Remove earwax from the ear canal before use.
•Ensure that hands are dry and clean when handling the product.
•Remove any earwax or moisture from the eartip with the provided
cleaning brush and pick. It is essential to clean the eartip daily in
order to maintain optimal performance.
•Remove the Hearing Aid and place it in the DEHUMIDIFIER with
the battery door OPEN before sleeping. Make sure the LID of the
DEHUMIDIFIER is firmly CLOSED.
•Always remove the device before bathing, washing your face,
swimming, or shaving. Do not allow the Hearing Aid to come into
contact with water.
•Do not wear your Hearing Aid while applying hair spray, spray paint,
or any other sticky sprays. This may clog the microphone and lead
to malfunction.
•Do not wear your Hearing Aid when you are in noisy areas or when
using a lawnmower, power tool, chainsaw, tractor or a any gun.
•When in noisy environments, remove the Hearing Aid and wear
hearing protection such as earplugs/ear muffs.
Please note ; The manufacturer is not responsible for any damage caused by
failure to follow the guidelines in the manual.
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KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Battery
•The HI40i battery is ZINC air-based 10A with DC 1.4V.
•Do not remove the tab( ) on the batteries until you are
ready to use the device.
•The battery is the power source for your Hearing Aid. It
requires replacement every one to two weeks depending on
usage.
•Keep batteries out of reach of children and pets.
•Do NOT put batteries in your ears, nose, or mouth.
•Dispose of used batteries safely at a battery-recycling collection
center.
•Contact your physician immediately if the battery is swallowed.
•Store batteries in a cool/dry place.
•Do NOT store batteries in a refrigerator.
•When your Hearing Aid is not in use, leave door of the battery
compartment OPEN. This will extend battery life and allow the
Hearing Aid to dry.
•Do NOT carry batteries loosely with other metallic objects like
change, keys, etc.
•Batteries may explode if exposed to an open flame.
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KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Battery Insertion
•Open battery compartment door to 90 degrees only. More than
90 degrees may damage the door.
•Hold yellow tap of the battery and insert the convex side -
negative (-) first so that the yellow tab(positive + ) is up.
•When the Battery is securely inserted, carefully remove the
yellow tab from the battery.
•Wait 2 seconds and close the battery door firmly.
•If the battery is inserted with the wrong polarity, the door will
not close. Do not try to close it by force; the battery door may
break.
•When the battery is properly placed, gently hold the Hearing Aid.
You will hear a whistling sound (feedback) which indicates that
the Hearing Aid is ready for use.
•When replacing the battery, remove the discharged (used) battery
using the magnet located on the end of the cleaning brush.
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CONVEX
SIDE OPEN
INSERT CONVEX
SIDE FIRST CLOSE to ON
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Selecting The Eartip
•Remember, no two ears are exactly alike.
•The eartip that is the most comfortable is the best choice.
However, it must seal well to prevent the feedback sound
(whistling).
•Select the right size eartip for your ear.
•The package comes with 2 eartip sizes, regular
(clear: preinstalled) and large (gray color).
• When changing the eartip, make sure it fits securely on
the stem of the device with the 2 ends firmly matched.
•When you wear the Hearing Aid, you should feel comfortable
and not hear continuous whistling sounds which indicate
feedback.
oIf you hear a whistling sound even when the Hearing Aid is
properly inserted, the eartip may be too small. Switch to the
larger eartip.
oIf you feel uncomfortable and the Hearing Aid did not fully
insert into the canal, switch to the smaller eartip.
•Eartips are reusable with regular cleaning .
Regular size
Clear color
*Preinstalled with device
Large size
Solid gray color
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KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Insertion & Removal
•Hold unit as shown in picture A
•Firmly insert unit to the ear canal as shown in picture B
•Turn the Hearing Aid 90 degrees as shown in picture C
Please ensure that the Hearing Aid sits securely and comfortably in the
canal.
Importance of a Deep Seal
•A deep eartip seal will ensure the best performance of the
device and prevents an occlusion effect* (hollow voice).
•A deeply-seated eartip in the canal reduces the occlusion effect.
*The occlusion effect occurs when an object fills the outer portion of a person's ear canal,
and that person perceives "hollow" or "booming" echo-like sounds of their own voice. It is
caused by bone-conducted sound vibrations reverberating off the object filling the ear
canal. When talking or chewing, these vibrations normally escape through an open ear
canal; most people are unaware of their existence. When the ear canal is blocked, the
vibrations are reflected back toward the eardrum. Compared to a completely open ear
canal, the occlusion effect can boost low frequency (usually below 500 Hz) sound pressure
in the ear canal by 20dB or more.
This effect is often experienced by Hearing aid users who only have a mild to moderate
high-frequency Hearing loss, but use Hearing aids which block the entire ear canal.
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KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Operation
Turn ON and OFF
•The battery compartment door acts as an ON/OFF switch. It
will turn ON when the battery door is firmly closed and turn
OFF when the door is open.
•Whistling (feedback) from the Hearing Aid can be heard as you
insert it in your ear.
•The whistling sound is completely normal and will stop when
the device is properly inserted.
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OFF
(OPEN) ON
(CLOSED)
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Preset Volume Adjustment
•The Premium Hearing Aid comes with four
volume presets that can be controlled by a button
near the battery door.
•Adjust between the presets depending on the noise level of
your surroundings.
•While wearing the Hearing Aid, gently press (touch) and
release the button to switch from presets 1 to 4.
Preset
Indicate beep
sound Memory Typical Use
1 One BEEP STD Gain Home
2 BEEP twice STD + 4dB Restaurant, lecture, church
3 BEEP three
times STD + 6dB Restaurant, lecture, church
4
BEEP four Times
STD+6dB+Noise Reduction
Noise Reduction Function
enabled
Using the Telephone
It is not necessary to remove the Kleersound HI-40i Premium
Hearing Aid when you are using a telephone. As long as the
whistling sounds do not occur, the Hearing Aid can remain in the
ear during a call.
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Preset
Volume
Button
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
After Use Care
VERY IMPORTANT!!!
Before sleeping at night, clean your Hearing Aid
RECEIVER HOLE for earwax with the BRUSH.
•When you use the LOOP of the tool for wax removal, do not
insert the LOOP too deeply in the hole or it may damage the
RECEIVER.
When the receiver hole is clogged with earwax, the Hearing Aid
sound will be decreased and may stop working.
•Spring/Coil Wax Guard System—Do not put the wax loop or
anything else inside the Hearing Aid.
•When you are not using your Hearing Aid–Store it in the
DEHUMIDIFIER with the battery compartment OPEN.
•Do not store your Hearing Aid in your pocket. You may lose it.
•A wax-loop and wax-brush are provided to clean the RECEIVER
hole and the EARTIP portion of your Hearing Aid. You should use
these every day.
•Keep your Hearing Aid clean at all times.
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Leave the
Hearing Aid door
OPEN
Close
the LID
Clean HOLE
with
BRUSH
BRUSH
MAGNET
for Battery
Insertion
or extraction
LOOP
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Trouble Shooting
* If problem persist, please contact Customer support at support@kleersound.com
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Symptom Causes Trouble Shooting
No sound
Battery is discharged Replace battery
Battery is not properly
installed.
Check the polarity of
battery and insert again
Receiver clogged with
ear wax or material
Gently clean receiver with
Brush and Loop tool
Microphone hole is
clogged
Clean microphone with
brush tool
Whistling
sound from
Device in
the ear
Device didn’t seated
securely in the ear
Insert Device securely in
the ear
Eartip is too small or big
Change right sized eartip
to your ear canal
Device
works but
not
continuously
Low battery Replace battery
Moisture in the Device
Stop Using. Open battery
door. Let it dry. After
completely dry, clean
with
brush tool
KLEERSOUND Hearing Innovation Series Premium Hearing Aid 13
4 Channel Wide Range Full Digital Compression Processing
It is a 100% Digital Hearing Aid that adopted the WDRC
Compression method which controls both gain and maximum
output within the dynamic range when controlling the volume.
Automatic Noise Reduction
The precise 128 band based automatic Noise Reduction
function controls noise in real time, which improves sound
distinguishing ability in noisy environments.
Automatic Feedback Removal
After the Device is put on, a function to clear “feedback”
sound automatically runs in real time.
Squelch Function
Provides comfortable Hearing environment by reducing even
small noises from far away for users who are sensitive to small
noise.
Low Battery Alarm
Alerts users of low battery condition to avoid discomfort of
sudden loss of amplification.
4 Preset Memory button
Allows selection of 4 different volume settings including a
Noise Reduction function to maintain the most comfortable
hearing level in various sound environments.
Features
KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Caution
•Store your Hearing Aid in a cool, dry place.
•Keep your Hearing Aid away from children and animals.
•Dogs and cats could eat or destroy your Hearing Aid.
•Do not use water or cleaning solutions on the Hearing Aid.
•Wear a hat or umbrella if it is raining or snowing.
•If your Hearing Aid becomes wet and stops working:
oRemove the battery and dispose safely at a re-cycling
collection center.
oPlace your Hearing Aid in the storage case and let it dry
overnight.
oDo not install a new battery for at least 8 hours.
oDo not expose your Hearing Aid to extreme temperatures.
oDo not use a hair dryer on your Hearing Aid.
•Do not store the Hearing Aid in direct sunlight, in a glove
compartment, on a stove, or on a radiator.
•Your Hearing Aid may make "popping" noises and then stop
working in extremely cold weather. This occurs when the battery
becomes too cold. Your Hearing Aid should begin working again
once you return indoors and it "warms up."
•On hot/humid days, your Hearing Aid may stop working if sweat
plugs the canal.
•Protect your Hearing Aid from harsh substances.
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KLEERSOUND Hearing Innovation Series Premium Hearing Aid
Warranty
•Kleersound Premium Hearing Aids are protected by a limited 1-
year repair or replacement warranty against defects in materials
and workmanship.
•The warranty period begins on the date of the original purchase.
•The warranty does not cover malfunction related to misuse or
abuse of the device.
•If you are not satisfied with this product, email a request to
support@kleersound.com for a Return Merchandise
Authorization(RMA).
•If you wish a refund, return the device in good working
condition in the original packaging with proof of purchasing
within 30 days of purchase.
Send Product to ;
KleerSound LLC
2 University Plaza, #100
Hackensack, NJ 07601
Model
HI40i
HI80i
Serial number
Date of
Purchase
. . 2017
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